const mysql = require('mysql2')
const config = require('../app/config')

const connections = mysql.createPool({
  host: config.MYSQL_HOST,
  port: config.MYSQL_PORT,
  database: config.MYSQL_DATABASE,
  user:config.MYSQL_USER,
  password: config. MYSQL_PASSWORD
})

connections.getConnection((err, conn) =>{
  conn.connect((err) => {
    if(err){
      console.log('连接失败:', err)
    }else{
      console.log('连接数据库成功')
    }
  })
})

module.exports = connections.promise();